Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich than ca snippets" » "tinh than ca snippets", "tich toan ca snippets", "tinh thanh ca snippets", "tich than cua snippets", "tich than cap snippets", "tich thanh ca snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tich than ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tich than ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich than ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich than ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.